1 /***************************************************************************/
5 /* FreeType font driver for Windows FNT/FON files */
7 /* Copyright 1996-2004, 2006-2012 by */
8 /* David Turner, Robert Wilhelm, and Werner Lemberg. */
9 /* Copyright 2003 Huw D M Davies for Codeweavers */
10 /* Copyright 2007 Dmitry Timoshkov for Codeweavers */
12 /* This file is part of the FreeType project, and may only be used, */
13 /* modified, and distributed under the terms of the FreeType project */
14 /* license, LICENSE.TXT. By continuing to use, modify, or distribute */
15 /* this file you indicate that you have read the license and */
16 /* understand and accept it fully. */
18 /***************************************************************************/
22 #include FT_WINFONTS_H
23 #include FT_INTERNAL_DEBUG_H
24 #include FT_INTERNAL_STREAM_H
25 #include FT_INTERNAL_OBJECTS_H
26 #include FT_TRUETYPE_IDS_H
30 #include FT_SERVICE_WINFNT_H
31 #include FT_SERVICE_XFREE86_NAME_H
33 /*************************************************************************/
35 /* The macro FT_COMPONENT is used in trace mode. It is an implicit */
36 /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */
37 /* messages during execution. */
40 #define FT_COMPONENT trace_winfnt
43 static const FT_Frame_Field winmz_header_fields[] =
46 #define FT_STRUCTURE WinMZ_HeaderRec
49 FT_FRAME_USHORT_LE ( magic ),
50 FT_FRAME_SKIP_BYTES( 29 * 2 ),
51 FT_FRAME_ULONG_LE ( lfanew ),
55 static const FT_Frame_Field winne_header_fields[] =
58 #define FT_STRUCTURE WinNE_HeaderRec
61 FT_FRAME_USHORT_LE ( magic ),
62 FT_FRAME_SKIP_BYTES( 34 ),
63 FT_FRAME_USHORT_LE ( resource_tab_offset ),
64 FT_FRAME_USHORT_LE ( rname_tab_offset ),
68 static const FT_Frame_Field winpe32_header_fields[] =
71 #define FT_STRUCTURE WinPE32_HeaderRec
73 FT_FRAME_START( 248 ),
74 FT_FRAME_ULONG_LE ( magic ), /* PE00 */
75 FT_FRAME_USHORT_LE ( machine ), /* 0x014c - i386 */
76 FT_FRAME_USHORT_LE ( number_of_sections ),
77 FT_FRAME_SKIP_BYTES( 12 ),
78 FT_FRAME_USHORT_LE ( size_of_optional_header ),
79 FT_FRAME_SKIP_BYTES( 2 ),
80 FT_FRAME_USHORT_LE ( magic32 ), /* 0x10b */
81 FT_FRAME_SKIP_BYTES( 110 ),
82 FT_FRAME_ULONG_LE ( rsrc_virtual_address ),
83 FT_FRAME_ULONG_LE ( rsrc_size ),
84 FT_FRAME_SKIP_BYTES( 104 ),
88 static const FT_Frame_Field winpe32_section_fields[] =
91 #define FT_STRUCTURE WinPE32_SectionRec
94 FT_FRAME_BYTES ( name, 8 ),
95 FT_FRAME_SKIP_BYTES( 4 ),
96 FT_FRAME_ULONG_LE ( virtual_address ),
97 FT_FRAME_ULONG_LE ( size_of_raw_data ),
98 FT_FRAME_ULONG_LE ( pointer_to_raw_data ),
99 FT_FRAME_SKIP_BYTES( 16 ),
103 static const FT_Frame_Field winpe_rsrc_dir_fields[] =
106 #define FT_STRUCTURE WinPE_RsrcDirRec
108 FT_FRAME_START( 16 ),
109 FT_FRAME_ULONG_LE ( characteristics ),
110 FT_FRAME_ULONG_LE ( time_date_stamp ),
111 FT_FRAME_USHORT_LE( major_version ),
112 FT_FRAME_USHORT_LE( minor_version ),
113 FT_FRAME_USHORT_LE( number_of_named_entries ),
114 FT_FRAME_USHORT_LE( number_of_id_entries ),
118 static const FT_Frame_Field winpe_rsrc_dir_entry_fields[] =
121 #define FT_STRUCTURE WinPE_RsrcDirEntryRec
124 FT_FRAME_ULONG_LE( name ),
125 FT_FRAME_ULONG_LE( offset ),
129 static const FT_Frame_Field winpe_rsrc_data_entry_fields[] =
132 #define FT_STRUCTURE WinPE_RsrcDataEntryRec
134 FT_FRAME_START( 16 ),
135 FT_FRAME_ULONG_LE( offset_to_data ),
136 FT_FRAME_ULONG_LE( size ),
137 FT_FRAME_ULONG_LE( code_page ),
138 FT_FRAME_ULONG_LE( reserved ),
142 static const FT_Frame_Field winfnt_header_fields[] =
145 #define FT_STRUCTURE FT_WinFNT_HeaderRec
147 FT_FRAME_START( 148 ),
148 FT_FRAME_USHORT_LE( version ),
149 FT_FRAME_ULONG_LE ( file_size ),
150 FT_FRAME_BYTES ( copyright, 60 ),
151 FT_FRAME_USHORT_LE( file_type ),
152 FT_FRAME_USHORT_LE( nominal_point_size ),
153 FT_FRAME_USHORT_LE( vertical_resolution ),
154 FT_FRAME_USHORT_LE( horizontal_resolution ),
155 FT_FRAME_USHORT_LE( ascent ),
156 FT_FRAME_USHORT_LE( internal_leading ),
157 FT_FRAME_USHORT_LE( external_leading ),
158 FT_FRAME_BYTE ( italic ),
159 FT_FRAME_BYTE ( underline ),
160 FT_FRAME_BYTE ( strike_out ),
161 FT_FRAME_USHORT_LE( weight ),
162 FT_FRAME_BYTE ( charset ),
163 FT_FRAME_USHORT_LE( pixel_width ),
164 FT_FRAME_USHORT_LE( pixel_height ),
165 FT_FRAME_BYTE ( pitch_and_family ),
166 FT_FRAME_USHORT_LE( avg_width ),
167 FT_FRAME_USHORT_LE( max_width ),
168 FT_FRAME_BYTE ( first_char ),
169 FT_FRAME_BYTE ( last_char ),
170 FT_FRAME_BYTE ( default_char ),
171 FT_FRAME_BYTE ( break_char ),
172 FT_FRAME_USHORT_LE( bytes_per_row ),
173 FT_FRAME_ULONG_LE ( device_offset ),
174 FT_FRAME_ULONG_LE ( face_name_offset ),
175 FT_FRAME_ULONG_LE ( bits_pointer ),
176 FT_FRAME_ULONG_LE ( bits_offset ),
177 FT_FRAME_BYTE ( reserved ),
178 FT_FRAME_ULONG_LE ( flags ),
179 FT_FRAME_USHORT_LE( A_space ),
180 FT_FRAME_USHORT_LE( B_space ),
181 FT_FRAME_USHORT_LE( C_space ),
182 FT_FRAME_ULONG_LE ( color_table_offset ),
183 FT_FRAME_BYTES ( reserved1, 16 ),
189 fnt_font_done( FNT_Face face )
191 FT_Memory memory = FT_FACE( face )->memory;
192 FT_Stream stream = FT_FACE( face )->stream;
193 FNT_Font font = face->font;
199 if ( font->fnt_frame )
200 FT_FRAME_RELEASE( font->fnt_frame );
201 FT_FREE( font->family_name );
209 fnt_font_load( FNT_Font font,
213 FT_WinFNT_Header header = &font->header;
218 /* first of all, read the FNT header */
219 if ( FT_STREAM_SEEK( font->offset ) ||
220 FT_STREAM_READ_FIELDS( winfnt_header_fields, header ) )
224 if ( header->version != 0x200 &&
225 header->version != 0x300 )
227 FT_TRACE2(( "[not a valid FNT file]\n" ));
228 error = FNT_Err_Unknown_File_Format;
232 new_format = FT_BOOL( font->header.version == 0x300 );
233 size = new_format ? 148 : 118;
235 if ( header->file_size < size )
237 FT_TRACE2(( "[not a valid FNT file]\n" ));
238 error = FNT_Err_Unknown_File_Format;
242 /* Version 2 doesn't have these fields */
243 if ( header->version == 0x200 )
250 header->color_table_offset = 0;
253 if ( header->file_type & 1 )
255 FT_TRACE2(( "[can't handle vector FNT fonts]\n" ));
256 error = FNT_Err_Unknown_File_Format;
260 /* this is a FNT file/table; extract its frame */
261 if ( FT_STREAM_SEEK( font->offset ) ||
262 FT_FRAME_EXTRACT( header->file_size, font->fnt_frame ) )
271 fnt_face_get_dll_font( FNT_Face face,
275 FT_Stream stream = FT_FACE( face )->stream;
276 FT_Memory memory = FT_FACE( face )->memory;
277 WinMZ_HeaderRec mz_header;
282 /* does it begin with an MZ header? */
283 if ( FT_STREAM_SEEK( 0 ) ||
284 FT_STREAM_READ_FIELDS( winmz_header_fields, &mz_header ) )
287 error = FNT_Err_Unknown_File_Format;
288 if ( mz_header.magic == WINFNT_MZ_MAGIC )
290 /* yes, now look for an NE header in the file */
291 WinNE_HeaderRec ne_header;
294 FT_TRACE2(( "MZ signature found\n" ));
296 if ( FT_STREAM_SEEK( mz_header.lfanew ) ||
297 FT_STREAM_READ_FIELDS( winne_header_fields, &ne_header ) )
300 error = FNT_Err_Unknown_File_Format;
301 if ( ne_header.magic == WINFNT_NE_MAGIC )
303 /* good, now look into the resource table for each FNT resource */
304 FT_ULong res_offset = mz_header.lfanew +
305 ne_header.resource_tab_offset;
306 FT_UShort size_shift;
307 FT_UShort font_count = 0;
308 FT_ULong font_offset = 0;
311 FT_TRACE2(( "NE signature found\n" ));
313 if ( FT_STREAM_SEEK( res_offset ) ||
314 FT_FRAME_ENTER( ne_header.rname_tab_offset -
315 ne_header.resource_tab_offset ) )
318 size_shift = FT_GET_USHORT_LE();
322 FT_UShort type_id, count;
325 type_id = FT_GET_USHORT_LE();
329 count = FT_GET_USHORT_LE();
331 if ( type_id == 0x8008U )
334 font_offset = (FT_ULong)( FT_STREAM_POS() + 4 +
335 ( stream->cursor - stream->limit ) );
339 stream->cursor += 4 + count * 12;
344 if ( !font_count || !font_offset )
346 FT_TRACE2(( "this file doesn't contain any FNT resources\n" ));
347 error = FNT_Err_Invalid_File_Format;
351 /* loading `winfnt_header_fields' needs at least 118 bytes; */
352 /* use this as a rough measure to check the expected font size */
353 if ( font_count * 118UL > stream->size )
355 FT_TRACE2(( "invalid number of faces\n" ));
356 error = FNT_Err_Invalid_File_Format;
360 face->root.num_faces = font_count;
362 if ( face_index >= font_count )
364 error = FNT_Err_Invalid_Argument;
367 else if ( face_index < 0 )
370 if ( FT_NEW( face->font ) )
373 if ( FT_STREAM_SEEK( font_offset + face_index * 12 ) ||
374 FT_FRAME_ENTER( 12 ) )
377 face->font->offset = (FT_ULong)FT_GET_USHORT_LE() << size_shift;
378 face->font->fnt_size = (FT_ULong)FT_GET_USHORT_LE() << size_shift;
384 error = fnt_font_load( face->font, stream );
386 else if ( ne_header.magic == WINFNT_PE_MAGIC )
388 WinPE32_HeaderRec pe32_header;
389 WinPE32_SectionRec pe32_section;
390 WinPE_RsrcDirRec root_dir, name_dir, lang_dir;
391 WinPE_RsrcDirEntryRec dir_entry1, dir_entry2, dir_entry3;
392 WinPE_RsrcDataEntryRec data_entry;
394 FT_Long root_dir_offset, name_dir_offset, lang_dir_offset;
398 FT_TRACE2(( "PE signature found\n" ));
400 if ( FT_STREAM_SEEK( mz_header.lfanew ) ||
401 FT_STREAM_READ_FIELDS( winpe32_header_fields, &pe32_header ) )
404 FT_TRACE2(( "magic %04lx, machine %02x, number_of_sections %u, "
405 "size_of_optional_header %02x\n"
406 "magic32 %02x, rsrc_virtual_address %04lx, "
408 pe32_header.magic, pe32_header.machine,
409 pe32_header.number_of_sections,
410 pe32_header.size_of_optional_header,
411 pe32_header.magic32, pe32_header.rsrc_virtual_address,
412 pe32_header.rsrc_size ));
414 if ( pe32_header.magic != WINFNT_PE_MAGIC /* check full signature */ ||
415 pe32_header.machine != 0x014c /* i386 */ ||
416 pe32_header.size_of_optional_header != 0xe0 /* FIXME */ ||
417 pe32_header.magic32 != 0x10b )
419 FT_TRACE2(( "this file has an invalid PE header\n" ));
420 error = FNT_Err_Invalid_File_Format;
424 face->root.num_faces = 0;
426 for ( i = 0; i < pe32_header.number_of_sections; i++ )
428 if ( FT_STREAM_READ_FIELDS( winpe32_section_fields,
432 FT_TRACE2(( "name %.8s, va %04lx, size %04lx, offset %04lx\n",
433 pe32_section.name, pe32_section.virtual_address,
434 pe32_section.size_of_raw_data,
435 pe32_section.pointer_to_raw_data ));
437 if ( pe32_header.rsrc_virtual_address ==
438 pe32_section.virtual_address )
439 goto Found_rsrc_section;
442 FT_TRACE2(( "this file doesn't contain any resources\n" ));
443 error = FNT_Err_Invalid_File_Format;
447 FT_TRACE2(( "found resources section %.8s\n", pe32_section.name ));
449 if ( FT_STREAM_SEEK( pe32_section.pointer_to_raw_data ) ||
450 FT_STREAM_READ_FIELDS( winpe_rsrc_dir_fields, &root_dir ) )
453 root_dir_offset = pe32_section.pointer_to_raw_data;
455 for ( i = 0; i < root_dir.number_of_named_entries +
456 root_dir.number_of_id_entries; i++ )
458 if ( FT_STREAM_SEEK( root_dir_offset + 16 + i * 8 ) ||
459 FT_STREAM_READ_FIELDS( winpe_rsrc_dir_entry_fields,
463 if ( !(dir_entry1.offset & 0x80000000UL ) /* DataIsDirectory */ )
465 error = FNT_Err_Invalid_File_Format;
469 dir_entry1.offset &= ~0x80000000UL;
471 name_dir_offset = pe32_section.pointer_to_raw_data +
474 if ( FT_STREAM_SEEK( pe32_section.pointer_to_raw_data +
475 dir_entry1.offset ) ||
476 FT_STREAM_READ_FIELDS( winpe_rsrc_dir_fields, &name_dir ) )
479 for ( j = 0; j < name_dir.number_of_named_entries +
480 name_dir.number_of_id_entries; j++ )
482 if ( FT_STREAM_SEEK( name_dir_offset + 16 + j * 8 ) ||
483 FT_STREAM_READ_FIELDS( winpe_rsrc_dir_entry_fields,
487 if ( !(dir_entry2.offset & 0x80000000UL ) /* DataIsDirectory */ )
489 error = FNT_Err_Invalid_File_Format;
493 dir_entry2.offset &= ~0x80000000UL;
495 lang_dir_offset = pe32_section.pointer_to_raw_data +
498 if ( FT_STREAM_SEEK( pe32_section.pointer_to_raw_data +
499 dir_entry2.offset ) ||
500 FT_STREAM_READ_FIELDS( winpe_rsrc_dir_fields, &lang_dir ) )
503 for ( k = 0; k < lang_dir.number_of_named_entries +
504 lang_dir.number_of_id_entries; k++ )
506 if ( FT_STREAM_SEEK( lang_dir_offset + 16 + k * 8 ) ||
507 FT_STREAM_READ_FIELDS( winpe_rsrc_dir_entry_fields,
511 if ( dir_entry2.offset & 0x80000000UL /* DataIsDirectory */ )
513 error = FNT_Err_Invalid_File_Format;
517 if ( dir_entry1.name == 8 /* RT_FONT */ )
519 if ( FT_STREAM_SEEK( root_dir_offset + dir_entry3.offset ) ||
520 FT_STREAM_READ_FIELDS( winpe_rsrc_data_entry_fields,
524 FT_TRACE2(( "found font #%lu, offset %04lx, "
525 "size %04lx, cp %lu\n",
527 pe32_section.pointer_to_raw_data +
528 data_entry.offset_to_data -
529 pe32_section.virtual_address,
530 data_entry.size, data_entry.code_page ));
532 if ( face_index == face->root.num_faces )
534 if ( FT_NEW( face->font ) )
537 face->font->offset = pe32_section.pointer_to_raw_data +
538 data_entry.offset_to_data -
539 pe32_section.virtual_address;
540 face->font->fnt_size = data_entry.size;
542 error = fnt_font_load( face->font, stream );
545 FT_TRACE2(( "font #%lu load error %d\n",
546 dir_entry2.name, error ));
550 FT_TRACE2(( "font #%lu successfully loaded\n",
554 face->root.num_faces++;
561 if ( !face->root.num_faces )
563 FT_TRACE2(( "this file doesn't contain any RT_FONT resources\n" ));
564 error = FNT_Err_Invalid_File_Format;
568 if ( face_index >= face->root.num_faces )
570 error = FNT_Err_Invalid_Argument;
577 fnt_font_done( face );
584 typedef struct FNT_CMapRec_
590 } FNT_CMapRec, *FNT_CMap;
594 fnt_cmap_init( FNT_CMap cmap )
596 FNT_Face face = (FNT_Face)FT_CMAP_FACE( cmap );
597 FNT_Font font = face->font;
600 cmap->first = (FT_UInt32) font->header.first_char;
601 cmap->count = (FT_UInt32)( font->header.last_char - cmap->first + 1 );
608 fnt_cmap_char_index( FNT_CMap cmap,
609 FT_UInt32 char_code )
614 char_code -= cmap->first;
615 if ( char_code < cmap->count )
616 /* we artificially increase the glyph index; */
617 /* FNT_Load_Glyph reverts to the right one */
618 gindex = (FT_UInt)( char_code + 1 );
624 fnt_cmap_char_next( FNT_CMap cmap,
625 FT_UInt32 *pchar_code )
628 FT_UInt32 result = 0;
629 FT_UInt32 char_code = *pchar_code + 1;
632 if ( char_code <= cmap->first )
634 result = cmap->first;
639 char_code -= cmap->first;
640 if ( char_code < cmap->count )
642 result = cmap->first + char_code;
643 gindex = (FT_UInt)( char_code + 1 );
647 *pchar_code = result;
652 static const FT_CMap_ClassRec fnt_cmap_class_rec =
654 sizeof ( FNT_CMapRec ),
656 (FT_CMap_InitFunc) fnt_cmap_init,
657 (FT_CMap_DoneFunc) NULL,
658 (FT_CMap_CharIndexFunc)fnt_cmap_char_index,
659 (FT_CMap_CharNextFunc) fnt_cmap_char_next,
661 NULL, NULL, NULL, NULL, NULL
664 static FT_CMap_Class const fnt_cmap_class = &fnt_cmap_class_rec;
668 FNT_Face_Done( FNT_Face face )
676 memory = FT_FACE_MEMORY( face );
678 fnt_font_done( face );
680 FT_FREE( face->root.available_sizes );
681 face->root.num_fixed_sizes = 0;
686 FNT_Face_Init( FT_Stream stream,
690 FT_Parameter* params )
693 FT_Memory memory = FT_FACE_MEMORY( face );
695 FT_UNUSED( num_params );
699 /* try to load font from a DLL */
700 error = fnt_face_get_dll_font( face, face_index );
701 if ( !error && face_index < 0 )
704 if ( error == FNT_Err_Unknown_File_Format )
706 /* this didn't work; try to load a single FNT font */
709 if ( FT_NEW( face->font ) )
712 face->root.num_faces = 1;
716 font->fnt_size = stream->size;
718 error = fnt_font_load( font, stream );
722 if ( face_index > 0 )
723 error = FNT_Err_Invalid_Argument;
724 else if ( face_index < 0 )
732 /* we now need to fill the root FT_Face fields */
733 /* with relevant information */
735 FT_Face root = FT_FACE( face );
736 FNT_Font font = face->font;
737 FT_PtrDist family_size;
740 root->face_index = face_index;
742 root->face_flags = FT_FACE_FLAG_FIXED_SIZES |
743 FT_FACE_FLAG_HORIZONTAL;
745 if ( font->header.avg_width == font->header.max_width )
746 root->face_flags |= FT_FACE_FLAG_FIXED_WIDTH;
748 if ( font->header.italic )
749 root->style_flags |= FT_STYLE_FLAG_ITALIC;
751 if ( font->header.weight >= 800 )
752 root->style_flags |= FT_STYLE_FLAG_BOLD;
754 /* set up the `fixed_sizes' array */
755 if ( FT_NEW_ARRAY( root->available_sizes, 1 ) )
758 root->num_fixed_sizes = 1;
761 FT_Bitmap_Size* bsize = root->available_sizes;
762 FT_UShort x_res, y_res;
765 bsize->width = font->header.avg_width;
766 bsize->height = (FT_Short)(
767 font->header.pixel_height + font->header.external_leading );
768 bsize->size = font->header.nominal_point_size << 6;
770 x_res = font->header.horizontal_resolution;
774 y_res = font->header.vertical_resolution;
778 bsize->y_ppem = FT_MulDiv( bsize->size, y_res, 72 );
779 bsize->y_ppem = FT_PIX_ROUND( bsize->y_ppem );
784 * the nominal height is larger than the bbox's height
786 * => nominal_point_size contains incorrect value;
787 * use pixel_height as the nominal height
789 if ( bsize->y_ppem > ( font->header.pixel_height << 6 ) )
791 FT_TRACE2(( "use pixel_height as the nominal height\n" ));
793 bsize->y_ppem = font->header.pixel_height << 6;
794 bsize->size = FT_MulDiv( bsize->y_ppem, 72, y_res );
797 bsize->x_ppem = FT_MulDiv( bsize->size, x_res, 72 );
798 bsize->x_ppem = FT_PIX_ROUND( bsize->x_ppem );
802 FT_CharMapRec charmap;
805 charmap.encoding = FT_ENCODING_NONE;
806 /* initial platform/encoding should indicate unset status? */
807 charmap.platform_id = TT_PLATFORM_APPLE_UNICODE;
808 charmap.encoding_id = TT_APPLE_ID_DEFAULT;
811 if ( font->header.charset == FT_WinFNT_ID_MAC )
813 charmap.encoding = FT_ENCODING_APPLE_ROMAN;
814 charmap.platform_id = TT_PLATFORM_MACINTOSH;
815 /* charmap.encoding_id = TT_MAC_ID_ROMAN; */
818 error = FT_CMap_New( fnt_cmap_class,
825 /* Select default charmap */
826 if ( root->num_charmaps )
827 root->charmap = root->charmaps[0];
830 /* set up remaining flags */
832 if ( font->header.last_char < font->header.first_char )
834 FT_TRACE2(( "invalid number of glyphs\n" ));
835 error = FNT_Err_Invalid_File_Format;
839 /* reserve one slot for the .notdef glyph at index 0 */
840 root->num_glyphs = font->header.last_char -
841 font->header.first_char + 1 + 1;
843 if ( font->header.face_name_offset >= font->header.file_size )
845 FT_TRACE2(( "invalid family name offset\n" ));
846 error = FNT_Err_Invalid_File_Format;
849 family_size = font->header.file_size - font->header.face_name_offset;
850 /* Some broken fonts don't delimit the face name with a final */
851 /* NULL byte -- the frame is erroneously one byte too small. */
852 /* We thus allocate one more byte, setting it explicitly to */
854 if ( FT_ALLOC( font->family_name, family_size + 1 ) )
857 FT_MEM_COPY( font->family_name,
858 font->fnt_frame + font->header.face_name_offset,
861 font->family_name[family_size] = '\0';
863 if ( FT_REALLOC( font->family_name,
865 ft_strlen( font->family_name ) + 1 ) )
868 root->family_name = font->family_name;
869 root->style_name = (char *)"Regular";
871 if ( root->style_flags & FT_STYLE_FLAG_BOLD )
873 if ( root->style_flags & FT_STYLE_FLAG_ITALIC )
874 root->style_name = (char *)"Bold Italic";
876 root->style_name = (char *)"Bold";
878 else if ( root->style_flags & FT_STYLE_FLAG_ITALIC )
879 root->style_name = (char *)"Italic";
884 FNT_Face_Done( face );
892 FNT_Size_Select( FT_Size size )
894 FNT_Face face = (FNT_Face)size->face;
895 FT_WinFNT_Header header = &face->font->header;
898 FT_Select_Metrics( size->face, 0 );
900 size->metrics.ascender = header->ascent * 64;
901 size->metrics.descender = -( header->pixel_height -
902 header->ascent ) * 64;
903 size->metrics.max_advance = header->max_width * 64;
910 FNT_Size_Request( FT_Size size,
911 FT_Size_Request req )
913 FNT_Face face = (FNT_Face)size->face;
914 FT_WinFNT_Header header = &face->font->header;
915 FT_Bitmap_Size* bsize = size->face->available_sizes;
916 FT_Error error = FNT_Err_Invalid_Pixel_Size;
920 height = FT_REQUEST_HEIGHT( req );
921 height = ( height + 32 ) >> 6;
925 case FT_SIZE_REQUEST_TYPE_NOMINAL:
926 if ( height == ( ( bsize->y_ppem + 32 ) >> 6 ) )
930 case FT_SIZE_REQUEST_TYPE_REAL_DIM:
931 if ( height == header->pixel_height )
936 error = FNT_Err_Unimplemented_Feature;
943 return FNT_Size_Select( size );
948 FNT_Load_Glyph( FT_GlyphSlot slot,
951 FT_Int32 load_flags )
953 FNT_Face face = (FNT_Face)FT_SIZE_FACE( size );
955 FT_Error error = FNT_Err_Ok;
958 FT_Bitmap* bitmap = &slot->bitmap;
962 FT_UNUSED( load_flags );
967 error = FNT_Err_Invalid_Argument;
974 glyph_index >= (FT_UInt)( FT_FACE( face )->num_glyphs ) )
976 error = FNT_Err_Invalid_Argument;
980 if ( glyph_index > 0 )
981 glyph_index--; /* revert to real index */
983 glyph_index = font->header.default_char; /* the .notdef glyph */
985 new_format = FT_BOOL( font->header.version == 0x300 );
986 len = new_format ? 6 : 4;
988 /* jump to glyph entry */
989 p = font->fnt_frame + ( new_format ? 148 : 118 ) + len * glyph_index;
991 bitmap->width = FT_NEXT_SHORT_LE( p );
994 offset = FT_NEXT_ULONG_LE( p );
996 offset = FT_NEXT_USHORT_LE( p );
998 if ( offset >= font->header.file_size )
1000 FT_TRACE2(( "invalid FNT offset\n" ));
1001 error = FNT_Err_Invalid_File_Format;
1005 /* jump to glyph data */
1006 p = font->fnt_frame + /* font->header.bits_offset */ + offset;
1008 /* allocate and build bitmap */
1010 FT_Memory memory = FT_FACE_MEMORY( slot->face );
1011 FT_Int pitch = ( bitmap->width + 7 ) >> 3;
1016 bitmap->pitch = pitch;
1017 bitmap->rows = font->header.pixel_height;
1018 bitmap->pixel_mode = FT_PIXEL_MODE_MONO;
1020 if ( offset + pitch * bitmap->rows >= font->header.file_size )
1022 FT_TRACE2(( "invalid bitmap width\n" ));
1023 error = FNT_Err_Invalid_File_Format;
1027 /* note: since glyphs are stored in columns and not in rows we */
1028 /* can't use ft_glyphslot_set_bitmap */
1029 if ( FT_ALLOC_MULT( bitmap->buffer, pitch, bitmap->rows ) )
1032 column = (FT_Byte*)bitmap->buffer;
1034 for ( ; pitch > 0; pitch--, column++ )
1036 FT_Byte* limit = p + bitmap->rows;
1039 for ( write = column; p < limit; p++, write += bitmap->pitch )
1044 slot->internal->flags = FT_GLYPH_OWN_BITMAP;
1045 slot->bitmap_left = 0;
1046 slot->bitmap_top = font->header.ascent;
1047 slot->format = FT_GLYPH_FORMAT_BITMAP;
1049 /* now set up metrics */
1050 slot->metrics.width = bitmap->width << 6;
1051 slot->metrics.height = bitmap->rows << 6;
1052 slot->metrics.horiAdvance = bitmap->width << 6;
1053 slot->metrics.horiBearingX = 0;
1054 slot->metrics.horiBearingY = slot->bitmap_top << 6;
1056 ft_synthesize_vertical_metrics( &slot->metrics,
1057 bitmap->rows << 6 );
1065 winfnt_get_header( FT_Face face,
1066 FT_WinFNT_HeaderRec *aheader )
1068 FNT_Font font = ((FNT_Face)face)->font;
1071 *aheader = font->header;
1077 static const FT_Service_WinFntRec winfnt_service_rec =
1087 static const FT_ServiceDescRec winfnt_services[] =
1089 { FT_SERVICE_ID_XF86_NAME, FT_XF86_FORMAT_WINFNT },
1090 { FT_SERVICE_ID_WINFNT, &winfnt_service_rec },
1095 static FT_Module_Interface
1096 winfnt_get_service( FT_Driver driver,
1097 const FT_String* service_id )
1099 FT_UNUSED( driver );
1101 return ft_service_list_lookup( winfnt_services, service_id );
1107 FT_CALLBACK_TABLE_DEF
1108 const FT_Driver_ClassRec winfnt_driver_class =
1111 FT_MODULE_FONT_DRIVER |
1112 FT_MODULE_DRIVER_NO_OUTLINES,
1113 sizeof ( FT_DriverRec ),
1121 (FT_Module_Constructor)0,
1122 (FT_Module_Destructor) 0,
1123 (FT_Module_Requester) winfnt_get_service
1126 sizeof( FNT_FaceRec ),
1127 sizeof( FT_SizeRec ),
1128 sizeof( FT_GlyphSlotRec ),
1130 (FT_Face_InitFunc) FNT_Face_Init,
1131 (FT_Face_DoneFunc) FNT_Face_Done,
1132 (FT_Size_InitFunc) 0,
1133 (FT_Size_DoneFunc) 0,
1134 (FT_Slot_InitFunc) 0,
1135 (FT_Slot_DoneFunc) 0,
1137 #ifdef FT_CONFIG_OPTION_OLD_INTERNALS
1138 ft_stub_set_char_sizes,
1139 ft_stub_set_pixel_sizes,
1141 (FT_Slot_LoadFunc) FNT_Load_Glyph,
1143 (FT_Face_GetKerningFunc) 0,
1144 (FT_Face_AttachFunc) 0,
1145 (FT_Face_GetAdvancesFunc) 0,
1147 (FT_Size_RequestFunc) FNT_Size_Request,
1148 (FT_Size_SelectFunc) FNT_Size_Select